<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<style type="text/css">
			.a1:hover{
				color: beige;
			}
			.a2:hover{
				color: darkgoldenrod
			}
			.a3:hover{
				color: aqua
			}
			.a4:hover{
				color: aquamarine
			}
			.a5:hover{
				background-color: green;
			}
			.a5:active{
				background-color: gold ;
			}
			.a5{
				width: 200px;  
				height: 200px; 
				background-color: red;
			}
			input:focus{
				background-color: antiquewhite;
			}
			textarea:focus{
				background-color: #F5F5DC;
			}
		</style>
	</head>
	<body>
		<a class="a1" href="https://gitee.com/yuanyuanyuannnn/biji">百度</a>
		<a class="a2" href="https://gitee.com/yuanyuanyuannnn/biji">百度</a>
		<a class="a3" href="https://gitee.com/yuanyuanyuannnn/biji">百度</a>
		<a class="a4" href="https://gitee.com/yuanyuanyuannnn/biji">百度</a>
		<a class="a5" href="#">div</a>
		<input type="text"/>
		<input type="password"/>
		<textarea name="abc" rows="10" cols="20"></textarea>
	</body>
</html>
